The RL1210FR-070R4L is a current sense resistor manufactured by Yageo. It is a surface-mount device with 0.4 ohm rating and 1% tolerance. The power rating is ½ watt, making it suitable for many circuit designs. The resistor has tight tolerances and is designed with advanced technology that provides reliable DC current sensing in various applications, such as motor control, power conditioning, battery charging, and more. Its wide resistance range ensures compatibility with different motor control systems. The resistor also has a maximum reverse voltage of 70V and an insulation resistance of up to 1000MO. It is RoHS compliant, lead-free, and has passed UL 1,800V AC dielectric strength test.